package cn._51doit.day06.homeWork;

/**
 * @create: 2021-10-22 17:17
 * @author: 今晚打脑斧先森
 * @program: test
 * @Description:
 **/
public class test {
    public static void main(String[] args) {
        String line = "asdgdfgfhadhf";
        String s = line.replaceAll("z", "b");
        System.out.println(s);
    }
}
